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pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...下的截图：
windows下载地址：pdf2htmlEX-v1.0-win32-static
本人开发的一个功能：文档在线阅读，要求能够支持移动终端浏览器在线阅读。考虑过将文档先转pdf，然后在将pdf转swf，利用flexpaper在前端浏览器访问。但是由于safari浏...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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2.1. awk的语法有两种形式
awk [options] 'script' var=value file(s)
awk [options] -f scriptfile var=value file(s)
2.2. 命令选项
-F fs or --field-separator fs
指定输入文件折分隔符，fs是一个字符串或者是一...
How do you use vim's quickfix feature?
I'm a pretty new Vim user and I've found that its learning curve is quite steep (at least for me). I just installed this vim script for JavaScriptLint error checking, which shows errors in vim's quickfix window once I save a buffer.
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Adding a guideline to the editor in Visual Studio
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I second this answer. Also been using this tool-set for months, never knowing this feature exists! Besides, I would recommend Productivity Power Tools to anyone; it's a great tool! :-D
– Riegardt Steyn
Mar 6 '14 at 11:10
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What's the best way to determine the location of the current PowerShell script?
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PowerShell 3+
# This is an automatic variable set to the current file's/module's directory
$PSScriptRoot
PowerShell 2
Prior to PowerShell 3, there was not a better way than querying the
MyInvocation.MyCommand.Definition property for general scripts. I had the followin...
C++ templates that accept only certain types
In Java you can define generic class that accept only types that extends class of your choice, eg:
14 Answers
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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...据库技术，它基于密码学中的椭圆曲线数字签名算法（ECDSA）来实现去中心化的P2P系统设计。但区块链的作用不仅仅局限在比特币上。现在，人们在使用“区块链”这个词时，有的时候是指数据结构，有时是指数据库，有时则是...
What is the difference between user and kernel modes in operating systems?
...each entry has a field Privl which encodes the ring.
The LGDT instruction sets the address to the current descriptor table.
See also: http://wiki.osdev.org/Global_Descriptor_Table
the segment registers CS, DS, etc., which point to the index of an entry in the GDT.
For example, CS = 0 means the fi...
Where is the itoa function in Linux?
itoa() is a really handy function to convert a number to a string. Linux does not seem to have itoa() , is there an equivalent function or do I have to use sprintf(str, "%d", num) ?
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How do I best silence a warning about unused variables?
I have a cross platform application and in a few of my functions not all the values passed to functions are utilised. Hence I get a warning from GCC telling me that there are unused variables.
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